Is that a daily/weekly/monthly or final limit? $2000 before needing ID is a pretty large sum of money, especially when you can work around that limit by using different ATM's of the same issuer.
$2000 lifetime per phone number for that entire company.
Here is one of their machines. They all "phone home"
https://coinatmradar.com/bitcoin_atm/9052/bitcoin-atm-bitaccess-las-vegas-golden-gate-casino/So yeah, if you want to launder a lot of money you can keep getting new phone numbers. There are dozens of machines by 3 of 4 companies and many many many local traders in the area so they have to be competitive. There are probably easier ways if you want to move
BTC -> fiat in large amounts.
Not to mention it's Vega$. It's all on camera. Lots of them ;-)
-Dave